Top Stories: Wild Running Wheels, Windborne Illnesses, and Microbes in the Placenta

first_imgEven in the Wild, Mice Run on WheelsDo caged mice really like their exercise wheels, or are they just bored and neurotic? Scientists set up a simple experiment—outdoor wheels paired with infrared cameras—to find out. It turns out that even wild mice really enjoy running on wheels. For some reason, the animals seem to relish the feeling of running without going anywhere. The findings suggest that like (some) humans, mice and other animals may simply exercise because they like to. Mysterious Illness May Be Carried by the WindSign up for our daily newsletterGet more great content like this delivered right to you!Country *AfghanistanAland IslandsAlbaniaAlgeriaAndorraAngolaAnguillaAntarcticaAntigua and BarbudaArgentinaArmeniaArubaAustraliaAustriaAzerbaijanBahamasBahrainBangladeshBarbadosBelarusBelgiumBelizeBeninBermudaBhutanBolivia, Plurinational State ofBonaire, Sint Eustatius and SabaBosnia and HerzegovinaBotswanaBouvet IslandBrazilBritish Indian Ocean TerritoryBrunei DarussalamBulgariaBurkina FasoBurundiCambodiaCameroonCanadaCape VerdeCayman IslandsCentral African RepublicChadChileChinaChristmas IslandCocos (Keeling) IslandsColombiaComorosCongoCongo, The Democratic Republic of theCook IslandsCosta RicaCote D’IvoireCroatiaCubaCuraçaoCyprusCzech RepublicDenmarkDjiboutiDominicaDominican RepublicEcuadorEgyptEl SalvadorEquatorial GuineaEritreaEstoniaEthiopiaFalkland Islands (Malvinas)Faroe IslandsFijiFinlandFranceFrench GuianaFrench PolynesiaFrench Southern TerritoriesGabonGambiaGeorgiaGermanyGhanaGibraltarGreeceGreenlandGrenadaGuadeloupeGuatemalaGuernseyGuineaGuinea-BissauGuyanaHaitiHeard Island and Mcdonald IslandsHoly See (Vatican City State)HondurasHong KongHungaryIcelandIndiaIndonesiaIran, Islamic Republic ofIraqIrelandIsle of ManIsraelItalyJamaicaJapanJerseyJordanKazakhstanKenyaKiribatiKorea, Democratic People’s Republic ofKorea, Republic ofKuwaitKyrgyzstanLao People’s Democratic RepublicLatviaLebanonLesothoLiberiaLibyan Arab JamahiriyaLiechtensteinLithuaniaLuxembourgMacaoMacedonia, The Former Yugoslav Republic ofMadagascarMalawiMalaysiaMaldivesMaliMaltaMartiniqueMauritaniaMauritiusMayotteMexicoMoldova, Republic ofMonacoMongoliaMontenegroMontserratMoroccoMozambiqueMyanmarNamibiaNauruNepalNetherlandsNew CaledoniaNew ZealandNicaraguaNigerNigeriaNiueNorfolk IslandNorwayOmanPakistanPalestinianPanamaPapua New GuineaParaguayPeruPhilippinesPitcairnPolandPortugalQatarReunionRomaniaRussian FederationRWANDASaint Barthélemy Saint Helena, Ascension and Tristan da CunhaSaint Kitts and NevisSaint LuciaSaint Martin (French part)Saint Pierre and MiquelonSaint Vincent and the GrenadinesSamoaSan MarinoSao Tome and PrincipeSaudi ArabiaSenegalSerbiaSeychellesSierra LeoneSingaporeSint Maarten (Dutch part)SlovakiaSloveniaSolomon IslandsSomaliaSouth AfricaSouth Georgia and the South Sandwich IslandsSouth SudanSpainSri LankaSudanSurinameSvalbard and Jan MayenSwazilandSwedenSwitzerlandSyrian Arab RepublicTaiwanTajikistanTanzania, United Republic ofThailandTimor-LesteTogoTokelauTongaTrinidad and TobagoTunisiaTurkeyTurkmenistanTurks and Caicos IslandsTuvaluUgandaUkraineUnited Arab EmiratesUnited KingdomUnited StatesUruguayUzbekistanVanuatuVenezuela, Bolivarian Republic ofVietnamVirgin Islands, BritishWallis and FutunaWestern SaharaYemenZambiaZimbabweI also wish to receive emails from AAAS/Science and Science advertisers, including information on products, services and special offers which may include but are not limited to news, careers information & upcoming events.Required fields are included by an asterisk(*)Kawasaki disease is one of the world’s most baffling illnesses. Now, we’re one step closer to understanding what causes it. A new study has found that the disease is at its deadliest when the wind blows from northeastern China. The findings suggest that the illness may be caused by an airborne toxin from that region—but just which one remains unclear.New Plan for U.S. Particle Physics: Go InternationalTo finally get started on building their next megaproject at Fermi National Accelerator Laboratory, the United States’ sole particle physics lab, leading U.S. physicists say they’re willing to take a gamble. They want to stage the project as an international collaboration—even if that means ceding direct control of the experiment to a council of member nations.The Science of InequalitySocial mobility is an important concept for social scientists who study economic inequality and opportunity. But collecting enough of the right data to draw meaningful conclusions is difficult. And applying those findings to public policy is even harder. As part of Science’s free special section on the science of inequality, reporter Jeffrey Mervis explores these issues in four related articles. Placenta Harbors Bacteria, May Impact Fetal HealthResearchers have discovered a small community of bacteria living in a most unlikely place: the placenta, an organ long thought to be sterile. The discovery of a placental microbiome adds to speculation that no tissue in the human body is, in fact, sterile. The study also suggests that the placental microbes come from the mother’s mouth, so if you’re pregnant, take good care of your teeth!last_img

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